[Octave-bug-tracker] [bug #55126] Sparse Matrix and binary oparators

[Nik Demus]

URL:
  <https://savannah.gnu.org/bugs/?55126>

                 Summary: Sparse Matrix and binary oparators
                 Project: GNU Octave
            Submitted by: sumocin
            Submitted on: Wed 28 Nov 2018 03:54:09 PM UTC
                Category: None
                Severity: 3 - Normal
                Priority: 5 - Normal
              Item Group: Incorrect Result
                  Status: None
             Assigned to: None
         Originator Name: sumocin
        Originator Email: 
             Open/Closed: Open
         Discussion Lock: Any
                 Release: 4.4.1
        Operating System: GNU/Linux

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Details:

Hi, the following code fails in GNU Octave


a = [1 2 0; 0 0 1; 1 0 0];
b = [1 2 3]';

% this works
a .* b 

% this don't
sparse(a).*b


other commands which fail are

sparse(a).^ b
sparse(a)./ b
sparse(a) + b
sparse(a) - b


In matlab they all return a sparse matrix




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